Levenhuk C800 NG Digital Camera, USB 2.0 - Manual (Page 75)

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11.2.8 Gamma•••
Gamma measures the brightness of midtone values produced by a device (often a
monitor). A higher gamma value yields an overall darker image.
Preview : Check this button to display the real-time effects when one changes the
slider bar’s position.
Gamma : Dragging the slider bar to the left decreases the level, while moving it to the
right increases the level. Values can range from 0 to 3.0 .
11.2.9 Filter Color•••
Choose Filter Color command to filter a special color channel from a color image.
select either Red , or Green, or Blue color to filter. For every pixel, if select Red color
to filter, only information about the red channel will be discarded, and Green and Blue
information will remain.
See Extract Color••• for another color operation.
11.2.10 Extract Color•••
Choose Extract Color••• command to extract a special color channel from a color
image. Choose either Red or Green, or Blue color to extract.